
The AirTAC Adjustable Cylinder SAIJ32 SAIJ32BX80-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 80mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
The AirTAC SAIJ32X80-75 is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 80 mm stroke that can be dialed back by up to 75 mm, yielding a highly versatile 5 to 80 mm usable travel window for precise end-position tuning at commissioning.
This configuration features a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threads with a G1/8 connection. The rear adjuster acts strictly as a mechanical stop to set the travel end and deceleration alongside the standard air cushions; it does not hold the load without live air pressure. For position holding, an external rod lock or SAIL cylinder is required.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 80 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 27 mm |
| Max stroke | Up to 1000 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 346 N | 346 N |
| 0.7 MPa | 484 N | — |
| Max (@1.0 MPa) | 70 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×80 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Dial in the exact retract distance from 5 to 80 mm during format size changes on packaging lines without replacing the actuator.
Fine-tune the final resting position during machine commissioning using the rear screw, avoiding the need to machine external spacers.
Adjust the stroke dynamically for testing different gripping depths or sensor trigger points in compact assembly fixtures.
Choose this 32 mm bore when an application demands exact retract positioning within a 5 to 80 mm window, allowing product changeovers without swapping cylinders or adding external stops. Because the stroke is under 300 mm, side-load stress on the 12 mm rod is manageable, though external guides are still recommended for optimal cylinder longevity.
When specifying a replacement, ensure you match the 32 mm bore, 80 mm nominal stroke, 75 mm adjustment range, PT G1/8 port, and the absence of a magnet (non-S). The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR configurations.
Quick checklist
The rear adjuster screw allows you to shorten the effective travel from the 80 mm nominal stroke by up to 75 mm. This creates a usable stroke window of 5 to 80 mm, acting as a mechanical stop rather than a load-holding lock.
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